Invasive Species: Arctium minus, Lesser Burdock
Lesser burdock is a tall (up to 6 ft. [1.8 m]) invasiveĀ biennial forb that occurs throughout the United States. First-year plants form large rosettes. A stout flowering stalk is formed in the …
Lesser burdock is a tall (up to 6 ft. [1.8 m]) invasiveĀ biennial forb that occurs throughout the United States. First-year plants form large rosettes. A stout flowering stalk is formed in the …
Wild garlic is an invasive perennial plant that originates from a bulb. Plants range from 11 to 35 in. (30 to 90 cm) in height and have tubular leaves. In May to June, …
Common teasel is an invasive biennial plant that exists as a basal rosette until flower stems develop. The erect flower stems reach 6 ft. (1.8 m) in height and support spiny flower heads …
Rush skeletonweed is an invasive perennial forb that can grow up to 4 ft. (1.2 m) tall. Coarse-looking, multiple stems appear leafless due to inconspicuous leaves and arise from a basal rosette of …
Black knapweed is an invasive perennial plant that can grow from 1 to 3 ft. (0.3 to 0.9 m) tall. Leaves, near the base, are petiolate, oblanceolate, shallowly dentate, and 2 to 10 …
Brown knapweed is an invasive perennial plant that grows 1 to 3 ft (0.3 to 0.9 m) tall and invades dry fields, roadsides, and meadows. The basal leaves are oblanceolate to elliptic and …
Meadow hawkweed is an invasive perennial plant in the sunflower family (Asteraceae). It grows from 1 to 3 ft. (0.3 to 0.9 m) tall and produces a milky sap when crushed. Leaves are …
Orange hawkweed is an invasive perennial plant that can grow up to 11.8 to 23.6 in. (30 to 60 cm) tall and produces a milky sap. Leaves are mostly basal, elliptical, 2 to …
Cutleaf teasel is an invasiveĀ perennial plant that grows as a basal rosette until sending up a flowering stalk that can reach 6 to 7 ft. (1.8 to 2.1 m) in height. The …
Winged yam is an invasive herbaceous, twining vine that can grow to lengths exceeding 30 ft. (9.1 m). It invades open to shady areas in the extreme southeastern United States. Leaves are opposite, …